2212604664 has 32 divisors (see below), whose sum is σ = 5709949440. Its totient is φ = 713743200.

The previous prime is 2212604657. The next prime is 2212604671. The reversal of 2212604664 is 4664062122.

2212604664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2212604657) and next prime (2212604671).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1486222 + ... + 1487709.

It is an arithmetic number, because the mean of its divisors is an integer number (178435920).

Almost surely, 2^2212604664 is an apocalyptic number.

2212604664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2212604664 is an abundant number, since it is smaller than the sum of its proper divisors (3497344776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2212604664 is a wasteful number, since it uses less digits than its factorization.

2212604664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973971 (or 2973967 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 2212604664 is about 47038.3318581771. The cubic root of 2212604664 is about 1303.0705846033.

Adding to 2212604664 its reverse (4664062122), we get a palindrome (6876666786).

The spelling of 2212604664 in words is "two billion, two hundred twelve million, six hundred four thousand, six hundred sixty-four".